Which market model appears to In March 2011, Toyota launched another round of discounts, offering zero percentfinancing for five-year loans and $1,000 additional givebacks to customers. Following Toyota's move, Honda increased rebates on certain pickup models from $1,000 to $1,500,while Hyundai announced that 2012 minivans would come with a $1,000rebate. Please explain the behaviour described in more details.